Boom Assembly

Assembly

No photo yet. Seen one of these? Suggest a photo.

The lightweight arm that physically blocks the roadway, balanced by counterweights so the drive only works against friction and wind.

Direct parts	6
Total parts	10
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

The lightweight arm that physically blocks the roadway, balanced by counterweights so the drive only works against friction and wind. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Boom Assembly parts and their functions

6 top-level parts · 10 parts in total · full bill of materials below

Boom Assembly parts diagram: 1 boom arm, 2 boom lamp, 3 counterweight, 4 breakaway coupling, 5 boom skirt, 6 fastener set. 10 parts in 6 top-level items. — Boom Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Boom Arm	1×	4–9 m aluminium/GRP
2	Boom Lamp	3×	Red lamps along arm
3	Counterweight	2×	Cast balance weights
4	Breakaway Coupling	1×	Vehicle-strike release
5	Boom Skirt	1×	Optional pedestrian skirt
6	Fastener Set	2×	Bolts, nuts, and washers.

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Boom Assembly

6 top-level lines · 6 rows shown · 10 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Boom Arm	level-crossing-barrier-boom-arm	1×	1	·	part
2	Boom Lamp	level-crossing-barrier-boom-light	3×	3	·	part
3	Counterweight	level-crossing-barrier-counterweight	2×	2	·	part
4	Breakaway Coupling	level-crossing-barrier-breakaway-coupling	1×	1	·	part
5	Boom Skirt	level-crossing-barrier-skirt	1×	1	·	part
6	Fastener Set	fastener-set	2×	2	·	part

Something wrong in this list? Report a problem with this BOM.

Where the boom assembly is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Rail & Transit 1 Level Crossing Barrier

Used in 1 assembly

Level Crossing Barrier

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Foxconn foxconn.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Flex (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks